Ticket #19125: 19125.diff

wp-admin/post-new.php

@@ -16 +16 @@
 else
         wp_die( __('Invalid post type') );
 
-if ( 'post' != $post_type ) {
-        $parent_file = "edit.php?post_type=$post_type";
-        $submenu_file = "post-new.php?post_type=$post_type";
-} else {
+$post_type_object = get_post_type_object($post_type);
+
+if ( 'post' == $post_type ) {
         $parent_file = 'edit.php';
         $submenu_file = 'post-new.php';
+} else {
+        if ( isset( $post_type_object ) && $post_type_object->show_in_menu && $post_type_object->show_in_menu !== true )
+                        $parent_file = $post_type_object->show_in_menu;
+                else
+                        $parent_file = "edit.php?post_type=$post_type";
+                $submenu_file = "post-new.php?post_type=$post_type";
 }
 
-$post_type_object = get_post_type_object($post_type);
-
 $title = $post_type_object->labels->add_new_item;
 
 $editing = true;